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Industrial Communication & Control

Littelfuse Industrial Communication and Control provides protection for RS-485 and Ethernet applications. The Industrial RS-485 features the capability of driving multiple ports, a fast speed rating of 10Mbps, and long-distance transmission of 1500m. Industrial Ethernet provides long-distance transmission of 100m, a 30W PoE+ rating, and a fast speed rating of 1Gbps. Littelfuse Industrial Communication and Control RS-485 and Ethernet devices are ideal for energy meters, factory automation, wind control, and human-machine interface applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 230V 2POLE SMT GDT GTCS28-231M-R10-2 Littelfuse 1: $3.59 279In Stock	Mfr. Part No. GTCS28-231M-R10-2 Mouser Part No 650-GTCS28-231MR10-2	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 230V 2POLE SMT GDT Learn More about Littelfuse gas discharge tubes	Datasheet	279In Stock	Cut Tape $3.59 $2.34 $1.83 Reel $1.60 $1.42 MouseReel Available	Min.: 1 Mult.: 1 : 500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V SMD Ultra Low 0.3pF CG690SM Littelfuse 1: $2.44 888In Stock 2,000Expected 26/10/2026	Mfr. Part No. CG690SM Mouser Part No 576-CG690SM	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V SMD Ultra Low 0.3pF Learn More about Littelfuse CG6 CG7 SMD gas discharge tubes	Datasheet	888In Stock 2,000Expected 26/10/2026	Cut Tape $2.44 $1.87 $1.55 $1.43 View Reel $1.13 $1.33 $1.13 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 350V2POLE SMT GDT GTCS26-351M-R05-2 Littelfuse 1: $0.80 1,363In Stock	Mfr. Part No. GTCS26-351M-R05-2 Mouser Part No 650-GTCS26-351M-R052	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 350V2POLE SMT GDT Learn More about Littelfuse gas discharge tubes	Datasheet	1,363In Stock	Cut Tape $0.80 $0.664 $0.623 Reel $0.623 $0.588 MouseReel Available	Min.: 1 Mult.: 1 : 750
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 230V 3POLE SMT GDT GTCS35-231M-R05 Littelfuse 1: $1.65 2,130In Stock	Mfr. Part No. GTCS35-231M-R05 Mouser Part No 650-GTCS35-231M-R05	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 230V 3POLE SMT GDT Learn More about Littelfuse gas discharge tubes	Datasheet	2,130In Stock	$1.65 $1.26 $1.05 $0.962 View $0.932 $0.823	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V 2A GDT T/R 2 Term SG350 Littelfuse 1: $1.43 1,995In Stock	Mfr. Part No. SG350 Mouser Part No 576-SG350	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V 2A GDT T/R 2 Term Learn More about Littelfuse sg series sgdt	Datasheet	1,995In Stock	Cut Tape $1.43 $1.09 $0.903 $0.835 Reel $0.636 View $0.723 $0.625 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 230V 3POLE RADIAL LEADS GDT GTCR36-231M-R10 Littelfuse 1: $2.71 1,027In Stock	Mfr. Part No. GTCR36-231M-R10 Mouser Part No 650-GTCR36-231M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 230V 3POLE RADIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	1,027In Stock	$2.71 $2.08 $1.72 $1.59 View $1.45 $1.41	Min.: 1 Mult.: 1
Thyristor Surge Protection Devices - TSPD 500A 170V P1800SCMCLRP Littelfuse 1: $1.68 1,767In Stock	Mfr. Part No. P1800SCMCLRP Mouser Part No 576-P1800SCMCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 500A 170V Learn More about Littelfuse p 0s mclrp thyristors	Datasheet	1,767In Stock	Cut Tape $1.68 $1.04 $0.757 $0.644 $0.60 Reel $0.582 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 50V 2POLE AXIAL LEADS GDT GTCA26-501M-R05 Littelfuse 1: $2.73 771In Stock	Mfr. Part No. GTCA26-501M-R05 Mouser Part No 650-GTCA26-501M-R05	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 50V 2POLE AXIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	771In Stock	$2.73 $2.09 $1.73 $1.61 View $1.46 $1.43	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 75V 2POLE AXIAL LEADS GDT GTCA28-750M-R10 Littelfuse 1: $1.76 887In Stock	Mfr. Part No. GTCA28-750M-R10 Mouser Part No 650-GTCA28-750M-R10	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 75V 2POLE AXIAL LEADS GDT Learn More about Littelfuse gas discharge tubes	Datasheet	887In Stock	$1.76 $1.40 $1.22 $1.21 $1.16	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 2400V 2POLE AXIAL LEAD HV GDT GTCA28-242M-R03 Littelfuse 1: $3.58 2,808In Stock	Mfr. Part No. GTCA28-242M-R03 Mouser Part No 650-GTCA28-242M-R03	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 2400V 2POLE AXIAL LEAD HV GDT Learn More about Littelfuse GTCA28 gdts	Datasheet	2,808In Stock	$3.58 $2.74 $2.27 $2.09 $1.93	Min.: 1 Mult.: 1
Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2 0461002.ER Littelfuse 1: $1.76 24,808In Stock	Mfr. Part No. 0461002.ER Mouser Part No 576-0461002.ER	Littelfuse	Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2 Learn More about Littelfuse 461 telelink fuses	Datasheet	24,808In Stock	Cut Tape $1.76 $1.56 $1.45 $1.26 View Reel $0.991 $1.14 $1.07 $0.991 $0.991 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2 04611.25ER Littelfuse 1: $1.94 66,360In Stock	Mfr. Part No. 04611.25ER Mouser Part No 576-04611.25ER	Littelfuse	Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2 Learn More about Littelfuse 461 telelink fuses	Datasheet	66,360In Stock	Cut Tape $1.94 $1.73 $1.61 $1.41 View Reel $0.71 $1.25 $1.10 $0.973 $0.88 $0.71 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 90V 2POLE SMT GDT GTCS23-900M-R01-2 Littelfuse 1: $0.98 47,073In Stock	Mfr. Part No. GTCS23-900M-R01-2 Mouser Part No 650-GTCS23-900MR01-2	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 90V 2POLE SMT GDT Learn More about Littelfuse gas discharge tubes	Datasheet	47,073In Stock	Cut Tape $0.98 $0.747 $0.619 $0.571 $0.568 Reel $0.533 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 90V 3POLE SMT GDT GTCS35-900M-R05 Littelfuse 1: $1.97 3,120In Stock	Mfr. Part No. GTCS35-900M-R05 Mouser Part No 650-GTCS35-900M-R05	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 90V 3POLE SMT GDT Learn More about Littelfuse gas discharge tubes	Datasheet	3,120In Stock	$1.97 $1.52 $1.26 $1.10 View $0.982 $0.942	Min.: 1 Mult.: 1
Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2 0461.500ER Littelfuse 1: $2.52 7,844In Stock	Mfr. Part No. 0461.500ER Mouser Part No 576-0461.500ER	Littelfuse	Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2 Learn More about Littelfuse 461 telelink fuses	Datasheet	7,844In Stock	Cut Tape $2.52 $2.27 $2.10 $1.74 View Reel $1.14 $1.61 $1.44 $1.33 $1.23 $1.14 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V NOMINAL GP S.A. STANDARD CG590LTR Littelfuse 1: $2.43 1,013In Stock	Mfr. Part No. CG590LTR Mouser Part No 576-CG590LTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V NOMINAL GP S.A. STANDARD	Datasheet	1,013In Stock	Cut Tape $2.43 $1.87 $1.55 Reel $1.45	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V SMD Ultra Low 0.3pF CG6230SM Littelfuse 1: $2.64 1,128In Stock	Mfr. Part No. CG6230SM Mouser Part No 576-CG6230SM	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V SMD Ultra Low 0.3pF Learn More about Littelfuse CG6 CG7 SMD gas discharge tubes	Datasheet	1,128In Stock	Cut Tape $2.64 $2.02 $1.68 $1.51 $1.31 Reel $1.30 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF CG675SM Littelfuse 1: $2.44 2,493In Stock 4,000Expected 30/11/2026	Mfr. Part No. CG675SM Mouser Part No 576-CG675SM	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF Learn More about Littelfuse CG6 CG7 SMD gas discharge tubes	Datasheet	2,493In Stock 4,000Expected 30/11/2026	Cut Tape $2.44 $1.87 $1.55 $1.43 $1.33 Reel $1.30 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Thyristor Surge Protection Devices - TSPD DO-214AA SIDACtor devices P0080SAMCLRP Littelfuse 1: $1.74 5,245In Stock	Mfr. Part No. P0080SAMCLRP Mouser Part No 576-P0080SAMCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD DO-214AA SIDACtor devices Learn More about Littelfuse p 0s mclrp thyristors	Datasheet	5,245In Stock	Cut Tape $1.74 $1.05 $0.74 $0.583 $0.533 Reel $0.466 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Thyristor Surge Protection Devices - TSPD 500A 6V P0080SCMCLRP Littelfuse 1: $2.05 7,524In Stock	Mfr. Part No. P0080SCMCLRP Mouser Part No 576-P0080SCMCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD 500A 6V Learn More about Littelfuse p 0s mclrp thyristors	Datasheet	7,524In Stock	Cut Tape $2.05 $1.21 $0.839 $0.689 $0.63 Reel $0.582 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Thyristor Surge Protection Devices - TSPD SIDACtor MicroCapacitance P0220SAMCLRP Littelfuse 1: $1.50 5,628In Stock	Mfr. Part No. P0220SAMCLRP Mouser Part No 576-P0220SAMCLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD SIDACtor MicroCapacitance Learn More about Littelfuse p 0s mclrp thyristors	Datasheet	5,628In Stock	Cut Tape $1.50 $0.948 $0.635 $0.501 $0.50 Reel $0.465 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200V Square SG SG200 Littelfuse 1: $1.43 2,036In Stock	Mfr. Part No. SG200 Mouser Part No 576-SG200	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200V Square SG	Datasheet	2,036In Stock	Cut Tape $1.43 $1.09 $0.904 $0.833 $0.743 Reel $0.716 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 225-375V 2A GDT T/R 2 Term SG300 Littelfuse 1: $1.29 14,035In Stock	Mfr. Part No. SG300 Mouser Part No 576-SG300	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 225-375V 2A GDT T/R 2 Term Learn More about Littelfuse sg series sgdt	Datasheet	14,035In Stock	Cut Tape $1.29 $0.981 $0.814 $0.766 $0.743 Reel $0.716 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V GDT T/R 2 Term SG350Q Littelfuse 1: $1.29 5,490In Stock 14,000Expected 26/10/2026	Mfr. Part No. SG350Q Mouser Part No 576-SG350Q	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V GDT T/R 2 Term Learn More about Littelfuse sg series sgdt	Datasheet	5,490In Stock 14,000Expected 26/10/2026	Cut Tape $1.29 $0.981 $0.814 $0.766 $0.743 Reel $0.716 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300-500V 2A GDT T/R 2 Term SG400 Littelfuse 1: $1.29 4,016In Stock	Mfr. Part No. SG400 Mouser Part No 576-SG400	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300-500V 2A GDT T/R 2 Term Learn More about Littelfuse sg series sgdt	Datasheet	4,016In Stock	Cut Tape $1.29 $0.981 $0.976 $0.835 $0.782 Reel $0.716 MouseReel Available	Min.: 1 Mult.: 1 : 2,000